<html>
    <head>
        <link rel="stylesheet" href="index.css">
    </head>
    <body>
        <div id="app">
            <bluebutton></bluebutton>
            <a href="https://vuejs.org/v2/guide/components-registration.html">Vue.js docs</a>
        </div>
        <script src="index.pack.js"></script>
    </body>
</html>

›

"Download the Vue Devtools extension for a better development experience: https://github.com/vuejs/vue-devtools"

›

"You are running Vue in development mode. Make sure to turn on production mode when deploying for production. See more tips at https://vuejs.org/guide/deployment.html"

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